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Process-based Modeling of the Overflow-induced Growth of Erosional Channels by Thieu Quang Tuan; Marcel J.F. Stive; Henk Jan Verhagen; Paul J. Visser is a Earth and Planetary Sciences article available to read on EtoBox.

What is Process-based Modeling of the Overflow-induced Growth of Erosional Channels about?

A new process-based approach is introduced for a more efficient computation of the overflow-induced growth of an erosional channel in a noncohesive homogeneous narrow landmass such as the breach growth in a sand-dike. The approach is easy to incorporate in a 1D/2DV morphodynamic model to compute the channel growth both vertically and laterally. The flow modeling is based on the shallow water equations. For modeling the channel growth, a set of closed equations describing the channel growth in both vertical and lateral direction has been derived in connection with several new morphologic parameters such as the representative channel width and the channel cross-sectional growth index. The approach has been applied to simulate the breach growth in sand-dikes and the morphological development of wave overwash across sand barriers. The computational results bear fairly good resemblance with existing experimental data.

Who reads Process-based Modeling of the Overflow-induced Growth of Erosional Channels?

Author

Thieu Quang Tuan; Marcel J.F. Stive; Henk Jan Verhagen; Paul J. Visser

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0378-3839)

Published

2008

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)